About: Ejaculates are costly to produce for human males. Frequent ejaculation, especially more frequent than every other day, results in decreased sperm counts […] , suggesting limits to sperm production. Men hardly seem limited by sperm production, however, given the apparent wastage of sperm. Sperm are continuously lost in the urine, and entire ejaculates are lost during nocturnal emissions and masturbation, although masturbatory ejaculates contain fewer sperm than do copulatory ejaculates […] .       Sponge   NotDistinct   Permalink